package main

func test2main() {
	fact(6)
}
func fact(n int) int {
	if n == 0 {
		return 1
	}
	return fact(n-1) * n
}
func factmasd() {
	var fib func(n int) int
	fib = func(n int) int {
		if n < 3 {
			return 1
		}
		return fib(n-1) + fib(n-2)
	}
}
